* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  background-image: linear-gradient(to right top, #d16ba5, #c777b9, #ba83ca, #aa8fd8, #9a9ae1, #8aa7ec, #79b3f4, #69bff8, #52cffe, #41dfff, #46eefa, #5ffbf1);
}

a {
  text-decoration: none;
}

li {
  list-style: none;
}

.nav {
  width: 100%;
  height: 80px;
  background-color: hotpink;
}

.nav ul li {
  float: left;
  margin-left: 180px;
  margin-top: 15px;
}

.nav ul li a {
  display: block;
  width: 80px;
  height: 60px;
  border-radius: 20px;
  text-align: center;
  line-height: 60px;
  color: #005d6f;
}

.nav ul li a:hover {
  border-bottom: 3px solid #005d6f;
  /* cursor: pointer; */
  box-shadow: 5px 5px 10px 5px;
  font-size: 30px;
  font-weight: 900;
  color: yellow;
}

.nav .nav_jid {
  float: left;
  width: 100px;
}

.nav .nav_eid {
  float: right;
}

.container {
  overflow: hidden;
  width: 1200px;
  /* height: 585px; */
  border: 1px solid rgba(0, 0, 0, .3);
  float: left;
  margin: 50px 120px;
  border-radius: 30px;
  background-color: rgba(255, 255, 255, .3);
  box-shadow: 1px 1px 1px 1px;
  position: relative;
}

.container h1 {
  text-align: center;
}

.container p {
  text-indent: 2em;
}

.container .back {
  float: right;
  margin-right: 30px;
}

.container .back a {
  width: 100px;
  height: 100px;
  color: #005d6f;
  font-size: 50px;
  border-radius: 20px;
}

.container .back a:hover {
  background-color: yellow;
}



.footer {
  background-color: hotpink;
  width: 100%;
  height: 100px;
  float: left;
}

.footer .footer_con {
  text-align: center;
  margin-top: 30px;
}